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Diffstat (limited to 'libs/ui/PixelFormat.cpp')
| -rw-r--r-- | libs/ui/PixelFormat.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/libs/ui/PixelFormat.cpp b/libs/ui/PixelFormat.cpp deleted file mode 100644 index fc1d3c2..0000000 --- a/libs/ui/PixelFormat.cpp +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <ui/PixelFormat.h> -#include <hardware/hardware.h> - -// ---------------------------------------------------------------------------- -namespace android { -// ---------------------------------------------------------------------------- - -static const int COMPONENT_YUV = 0xFF; - -struct Info { - size_t size; - size_t bitsPerPixel; - struct { - uint8_t ah; - uint8_t al; - uint8_t rh; - uint8_t rl; - uint8_t gh; - uint8_t gl; - uint8_t bh; - uint8_t bl; - }; - uint8_t components; -}; - -static Info const sPixelFormatInfos[] = { - { 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 }, 0 }, - { 4, 32, {32,24, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGBA }, - { 4, 24, { 0, 0, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGB }, - { 3, 24, { 0, 0, 8, 0, 16, 8, 24,16 }, PixelFormatInfo::RGB }, - { 2, 16, { 0, 0, 16,11, 11, 5, 5, 0 }, PixelFormatInfo::RGB }, - { 4, 32, {32,24, 24,16, 16, 8, 8, 0 }, PixelFormatInfo::RGBA }, - { 2, 16, { 1, 0, 16,11, 11, 6, 6, 1 }, PixelFormatInfo::RGBA }, - { 2, 16, { 4, 0, 16,12, 12, 8, 8, 4 }, PixelFormatInfo::RGBA }, - { 1, 8, { 8, 0, 0, 0, 0, 0, 0, 0 }, PixelFormatInfo::ALPHA}, - { 1, 8, { 0, 0, 8, 0, 8, 0, 8, 0 }, PixelFormatInfo::L }, - { 2, 16, {16, 8, 8, 0, 8, 0, 8, 0 }, PixelFormatInfo::LA }, - { 1, 8, { 0, 0, 8, 5, 5, 2, 2, 0 }, PixelFormatInfo::RGB }, -}; - -static const Info* gGetPixelFormatTable(size_t* numEntries) { - if (numEntries) { - *numEntries = sizeof(sPixelFormatInfos)/sizeof(Info); - } - return sPixelFormatInfos; -} - -// ---------------------------------------------------------------------------- - -size_t PixelFormatInfo::getScanlineSize(unsigned int width) const -{ - size_t size; - if (components == COMPONENT_YUV) { - // YCbCr formats are different. - size = (width * bitsPerPixel)>>3; - } else { - size = width * bytesPerPixel; - } - return size; -} - -ssize_t bytesPerPixel(PixelFormat format) -{ - PixelFormatInfo info; - status_t err = getPixelFormatInfo(format, &info); - return (err < 0) ? err : info.bytesPerPixel; -} - -ssize_t bitsPerPixel(PixelFormat format) -{ - PixelFormatInfo info; - status_t err = getPixelFormatInfo(format, &info); - return (err < 0) ? err : info.bitsPerPixel; -} - -status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info) -{ - if (format < 0) - return BAD_VALUE; - - if (info->version != sizeof(PixelFormatInfo)) - return INVALID_OPERATION; - - // YUV format from the HAL are handled here - switch (format) { - case HAL_PIXEL_FORMAT_YCbCr_422_SP: - case HAL_PIXEL_FORMAT_YCbCr_422_I: - info->bitsPerPixel = 16; - goto done; - case HAL_PIXEL_FORMAT_YCrCb_420_SP: - case HAL_PIXEL_FORMAT_YV12: - info->bitsPerPixel = 12; - done: - info->format = format; - info->components = COMPONENT_YUV; - info->bytesPerPixel = 1; - info->h_alpha = 0; - info->l_alpha = 0; - info->h_red = info->h_green = info->h_blue = 8; - info->l_red = info->l_green = info->l_blue = 0; - return NO_ERROR; - } - - size_t numEntries; - const Info *i = gGetPixelFormatTable(&numEntries) + format; - bool valid = uint32_t(format) < numEntries; - if (!valid) { - return BAD_INDEX; - } - - info->format = format; - info->bytesPerPixel = i->size; - info->bitsPerPixel = i->bitsPerPixel; - info->h_alpha = i->ah; - info->l_alpha = i->al; - info->h_red = i->rh; - info->l_red = i->rl; - info->h_green = i->gh; - info->l_green = i->gl; - info->h_blue = i->bh; - info->l_blue = i->bl; - info->components = i->components; - - return NO_ERROR; -} - -// ---------------------------------------------------------------------------- -}; // namespace android -// ---------------------------------------------------------------------------- - |